export function number_chinese(str) {
  var num = parseFloat(str);
  var strOutput = "",
    strUnit = "仟佰拾亿仟佰拾万仟佰拾元角分";
  num += "00";
  var intPos = num.indexOf(".");
  if (intPos >= 0) {
    num = num.substring(0, intPos) + num.substr(intPos + 1, 2);
  }
  strUnit = strUnit.substr(strUnit.length - num.length);
  for (var i = 0; i < num.length; i++) {
    strOutput +=
      "零壹贰叁肆伍陆柒捌玖".substr(num.substr(i, 1), 1) + strUnit.substr(i, 1);
  }
  return strOutput
    .replace(/零角零分$/, "整")
    .replace(/零[仟佰拾]/g, "零")
    .replace(/零{2,}/g, "零")
    .replace(/零([亿|万])/g, "$1")
    .replace(/零+元/, "元")
    .replace(/亿零{0,3}万/, "亿")
    .replace(/^元/, "零元");
}